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Re: [TowerTalk] OT: Generators and UPS's

To: <>
Subject: Re: [TowerTalk] OT: Generators and UPS's
From: "K8RI on TowerTalk" <>
Date: Sat, 26 Aug 2006 00:25:41 -0400
List-post: <>

> At 01:54 PM 8/25/2006, you wrote:
>>Tnx Jim for the info. The cheap thing would not be to go to a larger
>>generator. This is a 16KW unit.
> Ah.. yes.. that would be pretty pricey to go to the next step up...

Even then, larger is not necessiarily better.  There are generators and then 
there are generators just as there are High quality UPSs and not so high 

On mine (9500 Watt) it's running close to 75% of the rated power most of the 
time.  When motors start such as the refrigerator, freezer, furnace fan, and 
air-conditioner (not botherd by sump pump) it drops the voltage to the point 
where the UPSs all kick in, but then drop right out as the voltage drop is 
The sine wave looks pretty clean. It should be as the engine make up for it 
in noise. <:-))

It runs the whole HF radio station with the Alpha 76, plus the 144/440 FM 
rigs.   The legal limit key down doesn't even chage the pitch of the engine, 
but I would like, bigger, quieter, and natural gas.


Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2

> If you don't have one, I'd beg or borrow an oscilloscope and look at the
> voltage waveforms.  You can capacitively couple the scope with a twist of
> wire around the hot lead if you don't have a suitable isolation or HV
> probe... you're not interested in precise voltage measurements, just
> whether the waveform is significantly not like a sinewave.
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